Patents by Inventor Torbj.o slashed.rn Skaland

Torbj.o slashed.rn Skaland has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Cast iron inoculant and method for production of cast iron inoculant
    Patent number: 6102983
    Abstract: The invention relates to an inoculant for the manufacture of cast iron with lamellar, compacted or spheroidal graphite. The inoculant comprises between 40 and 80% by weight of silicon, between 0.5 and 10% by weight of calcium and/or strontium and/or barium, between 0 and 10% by weight of cerium and/or lanthanum, between 0 and 5% by weight of magnesium, less than 5% by weight of aluminium, between 0 and 10% by weight of manganese and/or titanium and/or zirconium, between 0.5 and 10% by weight of oxygen in the form of one or more metal oxides, the balance being iron, said inoculant further comprising between 0,1 and 10% by weight of sulphur in the form of one or more metal sulphides. The invention further relates to a method for the production of the inoculant.
    Type: Grant
    Filed: June 16, 1998
    Date of Patent: August 15, 2000
    Assignee: Elkem ASA
    Inventor: Torbj.o slashed.rn Skaland